Gnee (Tianjin) Multinational Trade Co., Ltd.
Gnee (Tianjin) Multinational Trade Co., Ltd.
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Stainless Steel Carbon Steel Heat Exchange Spiral Finned Tube
Integral low fin tube has the advantage that it can improve the thermal performance of a heat exchanger without the necessity forchanging shell size, flow arrangement or the repositioning of piping. The external surface of the tube is increased by theformation of "low fins" by direct extrusion from the material of the base tube.
| tube sizes available | tube od: 12.7mm, 15.88mm 19.05mm, 25.04mm tube thickness: >=1.25mm tube length: up to 12,500mm |
| fins/inch available | 16, 19, 26, 28, 32 & 36 fins/inch dependent on material and client requirements |
| materials available | 1) carbon & low alloy steel 2) stainless steel: type 304, 304l, 316, 316l and 321 plus duplex. 3) copper base alloys: i.e. alloy443, 687, 706, 715 etc. 4) titanium & high nickel alloys |
| typical extended surface ratios (finned/outside bare surface) | 19.05mm od with 19 fins/inch: 270% 25.4mm od with 26 fins/inch: 330% |
Advantage:
1. 99%-100% fully welded, with high thermal conductivity
2. Extremely strong anti-corrosion ability
3. Enhanced structure due to the welding process
4. Flexible as straight tube or bent or coiled heat exchangers
5. Low heat resistance between fins and tube
6. Strong resistance to shock and thermal expansion and contraction
7. Cost and energy saving due to long service life and high exchange rate
